S
M
T
W
T
F
S
26
77°
54°
27
79°
53°
28
80°
55°
29
79°
55°
30
79°
54°
31
73°
50°
1
73°
51°
2
79°
54°
3
80°
54°
4
77°
52°
5
73°
51°
6
75°
52°
7
79°
54°
8
78°
53°
9
80°
54°
10
79°
54°
11
79°
53°
12
78°
54°
13
80°
54°
14
79°
54°
15
76°
54°
16
76°
53°
17
75°
53°
18
77°
54°
19
79°
53°
20
80°
54°
21
76°
53°
22
79°
52°
23
81°
52°
24
80°
53°
25
80°
52°
26
72°
46°
27
79°
47°
28
79°
51°
29
78°
51°
30
71°
46°
31
72°
52°
1
71°
46°
2
69°
47°
3
71°
49°
4
74°
48°
5
69°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Port Alberni
Port Alberni's August 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 44° and 55°. The average high for August is 77° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Port Alberni. See also: September | October | November.
